Since we are supposed to do a lot of tweaking and tinkering with our Raspberry Pi installations, it is always a good idea to backup the working SD card image before venturing for any experimentation. One way to do this is to take the whole SD card out and use another Windows/Mac computer to backup and restore the full sd-card image as demonstrated earlier. To save you with this much hassle, here we are with another method to perform automated "hot backups" from a Raspberry Pi itself to an external USB disk drive or remote storage. Simply use the provided Shell script and enjoy fast, efficient and automated RPi backups.

When I needed a restore it was harder then I thought due to lack of another linux computer, you will need to google for how to restore dd images. This also came very handy for me - http://www.megaleecher.net/Working_With_Linux_Created_DD_Images_On_Windows for getting data back from image on a windows computer.

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